<template>
  <el-upload
    class="avatar-uploader"
    action=""
    :show-file-list="false"
    :before-upload="beforeAvatarUpload"
    :http-request="uploadImage"
  >
    <img v-if="value" :src="value" class="avatar">
    <i v-else class="el-icon-plus avatar-uploader-icon" />
  </el-upload>
</template>

<script>
import COS from 'cos-js-sdk-v5'
const cos = new COS({
  SecretId: 'AKIDkIc5LL6gy1nIWVFmdCUaS3NREk12xDDz',
  SecretKey: 'bw0pQowsb8nFUVFiupW1HH2WidLo1xd5'
})
export default {
  props: {
    value: {
      type: String,
      default: ''
    }
  },

  methods: {
    uploadImage(e) {
      cos.putObject(
        {
          Bucket: 'hui-1316360092', // 存储桶名称
          Region: 'ap-guangzhou', // 地域名称
          Key: e.file.name, // 文件名称
          StorageClass: 'STANDARD', // 固定值
          Body: e.file // 文件对象
        },
        (err, data) => {
          if (!err) {
            this.$emit('input', 'https://' + data.Location)
          }
        }
      )
    },
    beforeAvatarUpload(file) {
      const list = ['image/jpeg', 'image/png', 'image/gif', 'image/bmp']
      const isJPG = list.includes(file.type)
      const isLt5M = file.size / 1024 / 1024 < 5

      if (!isJPG) {
        this.$message.error('上传头像图片只能是 JPG 格式!')
        return false
      }
      if (!isLt5M) {
        this.$message.error('上传头像图片大小不能超过 2MB!')
        return false
      }
    }
  }
}
</script>

<style>
.avatar-uploader .el-upload {
  border: 1px dashed #d9d9d9;
  border-radius: 6px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.avatar-uploader .el-upload:hover {
  border-color: #409eff;
}
.avatar-uploader-icon {
  font-size: 28px;
  color: #8c939d;
  width: 178px;
  height: 178px;
  line-height: 178px;
  text-align: center;
}
.avatar {
  width: 178px;
  height: 178px;
  display: block;
}
</style>
